/**
 * Copyright (C) 2002-2015   The FreeCol Team
 * <p>
 * This file is part of FreeCol.
 * <p>
 * FreeCol is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 * <p>
 * FreeCol is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with FreeCol.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.sf.freecol.client.gui.panel;

import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.List;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JSeparator;

import net.miginfocom.swing.MigLayout;

import net.sf.freecol.client.FreeColClient;
import net.sf.freecol.client.gui.FontLibrary;
import net.sf.freecol.client.gui.ImageLibrary;
import net.sf.freecol.common.i18n.Messages;
import net.sf.freecol.common.model.Ability;
import net.sf.freecol.common.model.GoodsType;
import net.sf.freecol.common.model.IndianSettlement;
import net.sf.freecol.common.model.NationSummary;
import net.sf.freecol.common.model.Player;
import net.sf.freecol.common.model.StringTemplate;
import net.sf.freecol.common.model.Tile;
import net.sf.freecol.common.model.Unit;
import net.sf.freecol.common.model.UnitType;
import net.sf.freecol.common.resources.ResourceManager;


/**
 * This panel displays the Native Affairs Advisor.
 */
public final class ReportIndianPanel extends ReportPanel
{

    private static final String[] headlines = {
            "settlement",
            "mission",
            "report.indian.tension",
            "skillTaught",
            "report.indian.mostHated",
            "report.indian.tradeInterests"
    };


    /**
     * The constructor that will add the items to this panel.
     *
     * @param freeColClient The <code>FreeColClient</code> for the game.
     */
    public ReportIndianPanel( FreeColClient freeColClient )
    {
        super( freeColClient, "reportIndianAction" );

        Player player = getMyPlayer( );
        reportPanel.setLayout( new MigLayout( "wrap 6, fillx, insets 0",
                                              "[]20px[center]", "[top]" ) );
        boolean needsSeperator = false;
        for ( Player opponent : getGame( ).getLiveNativePlayers( null ) )
        {
            if ( player.hasContacted( opponent ) )
            {
                if ( needsSeperator )
                {
                    reportPanel.add( new JSeparator( JSeparator.HORIZONTAL ),
                                     "newline 20, span, growx, wrap 20" );
                }
                buildIndianAdvisorPanel( player, opponent );
                needsSeperator = true;
            }
        }
        scrollPane.getViewport( ).setOpaque( false );
        reportPanel.setOpaque( true );
        reportPanel.doLayout( );
    }

    private void buildIndianAdvisorPanel( Player player, Player opponent )
    {
        final NationSummary ns = igc( ).getNationSummary( opponent );
        List< IndianSettlement > nativeSettlements
                = opponent.getIndianSettlements( );
        String numSettlements = String.valueOf( nativeSettlements.size( ) )
                + " / " + String.valueOf( ns.getNumberOfSettlements( ) );

        ImageLibrary lib = getImageLibrary( );
        JLabel villageLabel = new JLabel( );
        villageLabel.setIcon( new ImageIcon( ImageLibrary.getSettlementImage(
                opponent.getNationType( ).getCapitalType( ),
                lib.getScaleFactor( ) ) ) );
        reportPanel.add( villageLabel, "span, split 2" );
        JLabel headline = Utility.localizedLabel( opponent.getNationLabel( ) );
        headline.setFont( FontLibrary.createFont( FontLibrary.FontType.NORMAL,
                                                  FontLibrary.FontSize.SMALL, Font.BOLD, lib.getScaleFactor( ) ) );
        reportPanel.add( headline, "wrap 20, aligny center" );
        JLabel label = Utility.localizedLabel( "report.indian.chieftain" );
        Font font = FontLibrary.createFont( FontLibrary.FontType.NORMAL,
                                            FontLibrary.FontSize.TINY, Font.BOLD, lib.getScaleFactor( ) );
        label.setFont( font );
        reportPanel.add( label );
        reportPanel.add( Utility.localizedLabel( opponent.getName( ) ), "left, wrap" );
        label = Utility.localizedLabel( "report.indian.typeOfSettlements" );
        label.setFont( font );
        reportPanel.add( label );
        reportPanel.add( Utility.localizedLabel( Messages.nameKey( opponent
                                                                           .getNationType( ).getCapitalType( ).getId( ) ) ), "left, wrap" );
        label = Utility.localizedLabel( "report.indian.numberOfSettlements" );
        reportPanel.add( label );
        label.setFont( font );
        reportPanel.add( new JLabel( numSettlements ), "left, wrap" );
        label = Utility.localizedLabel( "report.indian.tribeTension" );
        reportPanel.add( label );
        label.setFont( font );
        reportPanel.add( Utility.localizedLabel( StringTemplate
                                                         .template( "report.indian.tensionStance" )
                                                         .addNamed( "%tension%", opponent.getTension( player ) )
                                                         .addNamed( "%stance%", opponent.getStance( player ) ) ),
                         "left, wrap 20" );

        if ( nativeSettlements.isEmpty( ) )
        {
            reportPanel.add( Utility
                                     .localizedLabel( "report.indian.noKnownSettlements" ) );
        }
        else
        {
            for ( String key : headlines )
            {
                JLabel head = Utility.localizedLabel( key );
                head.setFont( font );
                reportPanel.add( head );
            }
            List< IndianSettlement > settlements
                    = new ArrayList<>( nativeSettlements.size( ) );
            for ( IndianSettlement settlement : nativeSettlements )
            {
                if ( settlement.isCapital( ) )
                {
                    settlements.add( 0, settlement );
                }
                else
                {
                    settlements.add( settlement );
                }
            }
            for ( IndianSettlement settlement : settlements )
            {
                final Tile tile = settlement.getTile( );
                final boolean known = tile.isExplored( );
                final boolean contacted = settlement.hasContacted( player );
                final boolean visited = settlement.hasVisited( player );
                // final boolean scouted = settlement.hasScouted(player);
                String locationName
                        = Messages.message( settlement.getLocationLabelFor( player ) );
                if ( known && settlement.isCapital( ) )
                {
                    locationName += ResourceManager
                            .getString( "indianSettlementChip.capital" );
                }
                if ( settlement.worthScouting( player ) )
                {
                    locationName += ResourceManager
                            .getString( "unscoutedIndianSettlement" );
                }
                JButton settlementButton = Utility.getLinkButton( locationName,
                                                                  null, settlement.getTile( ).getId( ) );
                Utility.localizeToolTip( settlementButton, settlement.getTile( )
                        .getDetailedLocationLabelFor( player ) );
                settlementButton.addActionListener( this );
                reportPanel.add( settlementButton, "newline 15" );

                final Unit missionary = settlement.getMissionary( );
                JLabel missionLabel = new JLabel( "" );
                if ( missionary != null )
                {
                    BufferedImage dummy = new BufferedImage( 1, 1,
                                                             BufferedImage.TYPE_INT_ARGB );
                    Graphics2D g = dummy.createGraphics( );
                    missionLabel.setIcon( new ImageIcon( lib
                                                                 .getMissionChip( g, missionary.getOwner( ),
                                                                                  missionary.hasAbility( Ability
                                                                                                                 .EXPERT_MISSIONARY ) ) ) );
                    g.dispose( );
                    Utility.localizeToolTip( missionLabel, Messages
                            .message( missionary.getLabel( Unit.UnitLabelType
                                                                   .NATIONAL ) ) );
                }
                reportPanel.add( missionLabel );

                reportPanel.add( Utility
                                         .localizedLabel( settlement.getAlarmLevelKey( player ) ) );

                final UnitType skillType = settlement.getLearnableSkill( );
                JLabel skillLabel;
                if ( visited && skillType != null )
                {
                    skillLabel = new JLabel( "" );
                    skillLabel.setIcon( new ImageIcon(
                            lib.getSmallUnitImage( skillType ) ) );
                    Utility.localizeToolTip( skillLabel, Messages
                            .message( settlement.getLearnableSkillLabel( visited ) ) );
                }
                else
                {
                    skillLabel = Utility.localizedLabel( settlement
                                                                 .getLearnableSkillLabel( visited ) );
                }
                reportPanel.add( skillLabel );

                reportPanel.add( Utility.localizedLabel( settlement
                                                                 .getMostHatedLabel( contacted ) ) );

                GoodsType[] wantedGoods = settlement.getWantedGoods( );
                final int n = ( visited ) ? settlement.getWantedGoodsAmount( )
                        : 1;
                String x = ( n > 1 ) ? "split " + Integer.toString( n ) : null;
                for ( int i = 0; i < n; i++ )
                {
                    JLabel goodsLabel;
                    if ( visited && wantedGoods[ i ] != null )
                    {
                        goodsLabel = new JLabel( "" );
                        goodsLabel.setIcon( new ImageIcon(
                                lib.getSmallIconImage( wantedGoods[ i ] ) ) );
                        Utility.localizeToolTip( goodsLabel, Messages
                                .message( settlement.getWantedGoodsLabel( i, player ) ) );
                    }
                    else
                    {
                        goodsLabel = Utility.localizedLabel( settlement
                                                                     .getWantedGoodsLabel( i, player ) );
                    }
                    reportPanel.add( goodsLabel, x );
                    x = null;
                }
            }
        }
    }
}
